Trail Running calendar near Builth Wells 2026-2027

Join the Butterfly Run at Parc Taf Bargoed with rock up and run starts across distances from 5 km to ultra on a scenic tarmac course with a short riverside trail. Staggered starts, aid stations and an optional supersized spinning medal awai..

A teams event at The Packhorse in South Stoke on 11 July 2026 where three person teams in compulsory fancy dress collect and carry a full cider barrel from Upper Midford back to the pub. Prizes include fastest time, best fancy dress and tea..

A muddy 5k obstacle course at Cofton Park on 11 July 2026 with climb, crawl and slide elements. The event has staggered wave starts, on-site parking and a minimum fundraising target of £50.

Ludlow10 features half marathon, 10k and 5k races around Ludlow with quiet lanes and off road sections on Whitcliffe Common. Routes include undulating terrain and a notable climb known as the Donkey Steps.

Join this multi lap marathon and half marathon event in Worcester featuring a flat off road course. Run solo or in relay teams with fancy dress and support local stroke recovery charities.

A 10 km trail race around Stoke Park in Stapleton, Bristol, organised by Town and Country Harriers with half of proceeds to a local charity. The marked route includes steep climbs, rough footing and marshals along the course.

A multi-distance trek and trail event on the Gower Peninsula based at Penrice Castle, offering camping, GPS-tracked routes, covered rest stops, catering, medical support, and finisher rewards across several distances.

Trail races on the private Merthyr Mawr Estate combine dune, hill and coastal terrain. Event options include a 12K, a new 40K and a selection of family races.

A guided mountain run or walk across Snowdonia to cover all 14 officially recognised 3000 ft peaks, offered as a 20 hour challenge or a two day option with low ratio qualified guides and on route support.

Three point-to-point coastal races along the Wales Coast Path finishing at the Norwegian Church in Cardiff Bay. Routes feature beaches, dunes, cliffs and mapped GPS navigation with checkpoint support and live tracking.

A 12-hour, multi-loop running event on 18 July 2026 at Bridgend Miniature Railway featuring three 10 mile routes, mixed terrain, a 30-runner limit and results based on most loops completed.

A 5k muddy obstacle course at Worcester Racecourse on 18 Jul 2026, open to participants aged 13 and over. Entry includes fundraising support and a finishers medal, with a minimum fundraising target of £50.

Wye Valley Tunnel Run on 19 July 2026 features fun runs plus 10 km, half marathon and marathon routes that use the Wye Valley Greenway and long tunnel. Courses are well marked with feed stations and event medals.

Experience an off road adventure through the deep mud and water crossings of the Huntley Estate. Participants can choose between various distances and will receive a themed medal upon finishing this muddy trail run.

A scenic trail run in Herefordshire starting from Aymestrey. Choose between a 10-mile route with 1,800 feet of climb or a 5-mile option. The course features lanes, forest tracks, and trails.

A traditional off-road fell race on 19 July 2026 at Selworthy Beacon, about 4 miles with 1000 ft ascent and self-navigation required; entry is £12 for FRA members and £14 for non-members.

A trail 10 km at Llys Y Fran on 19 July 2026 set around lakeside and woodland scenery as part of the RTT Series. The event includes chip timing, water stations and a fully marshalled route.

A professionally guided three day traverse of Northern Snowdonia covering 47 summits in just over 100 km with about 9,000 m of ascent. Small guided groups return to Capel Curig each night with on‑route support and refuelling.

A marked fell race in South Wales on 23 July 2026, covering 5.5 km with 315 m of climb. Entry on the day costs £3 and the minimum age is 16. Post race tea and cake are available; bring your own mug.

A 100 km route across the Brecon Beacons with 3178 m ascent, six staffed checkpoints and a 24 hour cut off. Entry by application on 25 July 2026 requires prior ultramarathon experience and competent map and compass navigation.